linux-kernel - Re: [PATCH net-next v13 09/14] net: Add the possibility to support a selected hwtstamp in netdevice

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Message-ID: <20240529175032.54070c60@kmaincent-XPS-13-7390>
Date: Wed, 29 May 2024 17:50:32 +0200
From: Kory Maincent <kory.maincent@...tlin.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Florian Fainelli <florian.fainelli@...adcom.com>, Broadcom internal
 kernel review list <bcm-kernel-feedback-list@...adcom.com>, Andrew Lunn
 <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, Russell King
 <linux@...linux.org.uk>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Richard
 Cochran <richardcochran@...il.com>, Radu Pirea
 <radu-nicolae.pirea@....nxp.com>, Jay Vosburgh <j.vosburgh@...il.com>, Andy
 Gospodarek <andy@...yhouse.net>, Nicolas Ferre
 <nicolas.ferre@...rochip.com>, Claudiu Beznea <claudiu.beznea@...on.dev>,
 Willem de Bruijn <willemdebruijn.kernel@...il.com>, Jonathan Corbet
 <corbet@....net>, Horatiu Vultur <horatiu.vultur@...rochip.com>,
 UNGLinuxDriver@...rochip.com, Simon Horman <horms@...nel.org>, Vladimir
 Oltean <vladimir.oltean@....com>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, Maxime Chevallier
 <maxime.chevallier@...tlin.com>, Rahul Rameshbabu <rrameshbabu@...dia.com>
Subject: Re: [PATCH net-next v13 09/14] net: Add the possibility to support
 a selected hwtstamp in netdevice

On Wed, 29 May 2024 08:21:11 -0700
Jakub Kicinski <kuba@...nel.org> wrote:

> On Wed, 29 May 2024 11:39:41 +0200 Kory Maincent wrote:
> > Introduce the description of a hwtstamp provider which is define with a
> > ptp_clock pointer and a qualifier value.
> > 
> > Add a hwtstamp provider description within the netdev structure to be able
> > to select the hwtstamp we want too use. By default we use the old API that
> > does not support hwtstamp selectability which mean the hwtstamp ptp_clock
> > pointer is unset.  
> 
> ERROR: modpost: "ptp_clock_phydev" [drivers/net/phy/libphy.ko] undefined!

Thanks for the report.
Weird, it should be in builtin code.
I will investigate.

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com